Commodity2005200620072008200920102011
Dictating machines not capable of op. without an ext. source of power$4,169,000$5,804,000     
Telephone answering machines$2,598,000$2,065,000$2,194,000$1,559,000$1,296,000$1,175,290$958,966
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$1,337,000$412,000     
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$107,884,000$143,100,000     
Total$115,988,000$151,381,000$2,194,000$1,559,000$1,296,000$1,175,290$958,966